In the Hall of Remembrance at the U.S. Holocaust Memorial Museum, visitors can light candles in memory of the 6 million Jews killed by the Nazis and their collaborators during World War II. Nicholas Kamm /AFP/Getty Images hide caption

toggle caption
Nicholas Kamm /AFP/Getty Images

A phonorecord by Alexander Graham Bell, one of the Smithsonian's trove of recordings left there by the inventor of the telephone. Richard Strauss/Smithsonian's National Museum of American History Via AP hide caption

toggle caption
Richard Strauss/Smithsonian's National Museum of American History Via AP

First He Invented The Phone. Then, Bell Left A Voice Message

  • Download
  • <iframe src="https://www.npr.org/player/embed/179650928/179675476" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The term "third coast" refers to American cities that sit on the Great Lakes shoreline, like Chicago. Jeff Haynes/AFP/Getty Images hide caption

toggle caption
Jeff Haynes/AFP/Getty Images

Through Art And Industry, Chicago Shaped America

  • Download
  • <iframe src="https://www.npr.org/player/embed/179031597/179415378" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

30 Years On, Educators Still Divided On Scathing Schools Report

  • Download
  • <iframe src="https://www.npr.org/player/embed/179281961/179297718" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Has Time Been Kind To 'Dubya?'

  • Download
  • <iframe src="https://www.npr.org/player/embed/179240486/179240477" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Why Can't Traumatic Events Bring Politicians Together?

  • Download
  • <iframe src="https://www.npr.org/player/embed/179240478/179240469" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
PublicAffairs

Hard Hits, Hard Liquor In 'The Summer of Beer and Whiskey'

  • Download
  • <iframe src="https://www.npr.org/player/embed/179242101/179501410" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Presidents Overlook Differences At Bush Center Opening

  • Download
  • <iframe src="https://www.npr.org/player/embed/179179641/179179626" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A barista serves coffee at a cafe in Naples, Italy. The Italian city's long-standing tradition of buying a cup for a less-fortunate stranger is now spreading across Europe. Christopher Furlong/Getty Images hide caption

toggle caption
Christopher Furlong/Getty Images

Mo Ibrahim: The 'Bill Gates Of Africa'

  • Download
  • <iframe src="https://www.npr.org/player/embed/179015009/179014995" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Presidential Libraries Inspire Design Of George W. Bush Center

  • Download
  • <iframe src="https://www.npr.org/player/embed/178954980/178954973" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
/Knopf

First Western War In Afghanistan Was An 'Imperial Disaster'

  • Download
  • <iframe src="https://www.npr.org/player/embed/178790557/178956968" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

People line up to enter the U.S. Supreme Court on Tuesday. All of the court's archived audio, dating back to 1955, has now been digitized for public access online. Mark Wilson/Getty Images hide caption

toggle caption
Mark Wilson/Getty Images

Once Under Wraps, Supreme Court Audio Trove Now Online

  • Download
  • <iframe src="https://www.npr.org/player/embed/178660998/178873393" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript